[haiku-development] Re: In My Infinite Free Time

  • From: "François Revol" <revol@xxxxxxx>
  • To: haiku-development@xxxxxxxxxxxxx
  • Date: Mon, 20 Apr 2009 16:44:46 +0200 CEST

> Michael Crawford wrote:
> >> Though I recall reading not all ARM chips have all of them.
> >> ie. some might actually only have the TLBs like what PPC does...
> >
> > ARM7 doesn't have either MMU or TLB.  You can only use physical
> > memory.
> >
> > But it's still worth supporting, as you would be able to run on a
> > lot
> > of really low-power hardware.
> >
> > Linux has the option to run with no MMU.  This was done as a patch
> > for
> > a long time, but I understand that it was accepted into the
> > mainline
> > kernel, so now it's a config option.
> >
>
> I had the NewOS kernel running on a 486 way back, so it's possible.
> And

486 do have an mmu!
even 286 do.


François.

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